Science Review

Vocabulary

100

What is mass? (Double Points: What unit do we typically use to measure mass?)

The amount of matter in an object or an object's weight 

200

What is a conductor? What is an insulator?

A conductor allows heat to travel through an object or transfers heat. An insulator does not allow heat to travel through an object or traps heat. 

300

What is a mixture? What is a solution?

A mixture is a combination of substances that can be easily separated. A solution is a type of mixture where one substance is dissolved in another. Solutions are not easily separated.

400

What is a chemical change? (Double points: If you give an example)

When one substance changes into another substance. Not easily reversible.

500

What is friction?

When an object moves across another object

EOG Question

100

Question 38

C

200

Question 39

D

300

Question 20 

A

400

Question 27

D

500

Question 21 

C

True or False

100

True or false: A rusty nail is an example of a physical change. 

False 

200

True or False: A bowl of different colored painted rocks is a mixture 

True

300

True or False: Salt water is a solution

False

400

True or False: If a ball is rolling on a surface with more friction, the ball will move slower 

True 

500

True or False: Matter and Mass are the same thing

False

Give an Example

100

Mixture  

Ex: 

Fruit Salad

200

Solution

Ex: 

Hot Chocolate

300

Physical Change 

Ex: 

Physical: Bending a piece of paper

400

Chemical Change

Chemical: 

Burning a piece of paper

500

Chemical Property and Physical Property 

Ex:

Chemical- Flammability 

Physical: Melting point